Metalloids By Vanessa Beck and Taylor Armour

Metalloids are Solids.
The metalloids are groups 13-17 and periods 2-6.
The elements in Metalloids are Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, Polonium, and Astatine.
Three Physical properties of Metalloids
  • It insilates and conducts electricity
  • They can carry an electric charge under certain circumstances
  • Has a melting and freezing point
Three Chemical properties of Metalloids
  • These materials have semi-conductor properties.
  • Can act like non-metals when they react with metals
  • metalloids often form amphoteric oxidees
Three interesting facts about Metalloids
  • Can act like non-metals when they react with metals
  • Metalloids are also called Semimetals because they are in the middle of non-mteals and metals
  • Most metallic elements are to the left and to the bottom of the periodic table and the most nonmetallic elements are to the right and to the top

Two common uses for Metalloids
  • Its used in computer chips
  • Also used for calculators
http://www.chemicalelements.com/groups/metalloids.htmlexternal image image.tiffexternal image image.tiffexternal image image.tiff
www.chemicalelements.com/groups/metalloids.htmlexternal image image.tiff
www.answers.com/topic/**metalloid**
chemistry.about.com/od/elementgroups/a/metalloids.htm
www.windows.ucar.edu/tour/link=/.../metals.html&edu=high